CN211868218U - A steel fiber concrete feeding and stirring device - Google Patents

Abstract

The utility model relates to a concrete preparation technical field especially relates to a reinforced agitating unit of steel fibre concrete. The device comprises a stirring component, a feeding component and a humidifying component; the stirring component comprises a support frame, a stirring barrel, a stirring motor, a rotating shaft and a stirring part; the top of the stirring barrel is provided with a first feeding hole, the bottom of the stirring barrel is provided with a discharging hole, and one side of the stirring barrel is provided with a second feeding hole; the rotating shaft is connected with the stirring motor; the feeding assembly comprises a bin, a conveyor belt, a conveying motor, a bulk material tank and a vibrating motor, wherein the bin is positioned above one end of the conveyor belt; the bulk material groove is communicated with the interior of the stirring barrel through the second feed port; the vibration motor is arranged on the material scattering groove; the humidification assembly includes a humidifier and a conduit. The utility model has the advantages of being simple in structure and convenient in operation, can improve steel fibre concrete's production efficiency and quality effectively.

Description

A steel fiber concrete feeding and stirring device

technical field

The utility model relates to the technical field of concrete preparation, in particular to a steel fiber concrete feeding and stirring device.

Background technique

Concrete materials are widely used in industrial and civil buildings, bridges, tunnels and water conservancy construction projects due to their excellent integrity, durability, fire resistance and modelability. In the long-term service process, the concrete structure shows the characteristics of low tensile strain, small ultimate strain and brittle failure. Cementitious composite material, namely fiber concrete. Steel fibers have high tensile strength and elongation, which can effectively improve the tensile, flexural, impact strength, elongation and toughness of concrete. In addition, steel fibers can control the further development of matrix concrete cracks, thereby improving crack resistance.

At present, there are two main methods of mixing steel fiber concrete. One is to dry-mix steel fibers, coarse and fine aggregates, and cement first, and then add water to wet-mix. The other is to add steel fibers during the mixing process of the mixture. method of mixing. The commonly used feeding method is feeding by shaking screen or dispersing machine. In the actual production process, steel fiber agglomeration and uneven stirring often occur during feeding, resulting in poor workability between fiber materials and concrete substrates, which seriously affects fiber-reinforced concrete. In addition, the commonly used feeding methods are mostly open, and a large amount of dust generated during the stirring process is likely to cause adverse effects on the surrounding production environment.

Utility model content

Aiming at the problems in the prior art that steel fiber concrete is easy to agglomerate, non-uniform, and easy to raise dust during the stirring process, the utility model aims to provide a steel fiber concrete feeding and stirring device.

The technical scheme adopted by the utility model to solve its technical problems is:

A steel fiber concrete feeding and stirring device includes: a stirring component, a feeding component, and a humidifying component; the stirring component includes a support frame, a mixing barrel, a stirring motor, a rotating shaft, and a stirring part, and the mixing barrel is arranged on the supporting frame. The top of the stirring barrel has a first feeding port, the bottom of the stirring barrel has a discharging port, and one side of the stirring barrel has a second feeding port; the rotating shaft is connected to the stirring motor , the rotating shaft extends into the mixing barrel through the bottom part of the mixing barrel; the stirring part is arranged in the mixing barrel, which is arranged on the rotating shaft through a connecting ring; the feeding assembly It includes a silo, a conveyor belt, a conveying motor, a bulk material chute and a vibration motor, the silo is located above one end of the conveyor belt, the bottom of the silo is provided with a discharge port, and the discharge port is provided with a silo port cover; The bulk material tank is communicated with the inside of the mixing barrel through the second feeding port; the vibration motor is arranged on the bulk material tank; the humidification assembly includes a humidifier and a conduit, and the conduit The humidifier communicates with the inside of the mixing barrel.

The vibration motor is a PT-MVB70/3M single-phase asynchronous motor, the humidifier is an HL-L200 ultrasonic humidifier, the conduit is a plastic conduit with an outer diameter of 5cm, and the diameter of the opening at the top of the mixing barrel is 5cm.

Further, lids are provided on the first feeding port and the discharging port.

Further, one end of the bulk material trough is supported by an inner support rod arranged in the mixing barrel, and the other end is hinged with an outer support rod arranged on the support frame, and the bulk material trough is connected to the inner support rod. connected by springs.

Further, the stirring part is divided into upper and lower groups, the upper stirring part includes a connecting rod and a large blade arranged on the connecting rod; the lower stirring part includes a connecting rod and a large blade and a small blade arranged on the connecting rod. , the small blade is arranged on the side close to the rotating shaft.

The large blade and the small blade are both existing fan-shaped arc blades.

Further, the connecting rod is arranged on the rotating shaft through a connecting ring; a plurality of screw holes are distributed on the rotating shaft, the connecting ring has through holes, and the connecting ring is fixed on the rotating shaft through connecting bolts. on the rotating shaft.

Adjust the stirring position of the upper stirring part according to the amount of the mixture in the mixing tank to achieve the purpose of uniform stirring.

Further, the second feeding port is located above the stirring part.

Compared with the prior art, the advantage of the present utility model is:

The utility model provides a steel fiber concrete feeding and stirring device, which adopts a vibrating motor to drive a bulk material chute to add steel fibers, and adjusts the feeding rate by controlling the opening angle of the hopper port cover, so as to realize the evenly dispersed addition of steel fibers, and effectively avoid united. The combination of the double-layer stirring part and the large and small blades of the lower stirring part can effectively realize the uniform stirring of the mixture up and down, effectively improve the problem of the steel fiber sinking into the bottom of the stirring tank, and avoid the situation that the stirring is not in place near the rotating shaft. The design of the humidifier, the second feeding port (steel fiber feeding port), and the setting of the first feeding port and the discharging port cover, on the one hand, restrain the dust from scattering, on the other hand, reduce the dust in the barrel 's scattering. The utility model has the advantages of simple structure and convenient operation, and can effectively improve the production efficiency and quality of the steel fiber concrete.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic plan view of the stirring part of the present invention.

In the figure: 1-support frame; 2-outer support rod; 3-conveyor belt; 4-transmission motor; 5-silo port cover; 6-silo; 7-bulk chute; 8-vibration motor; 9-inner support Rod; 10-second feed port; 11-first feed port; 12-duct; 13-humidifier; 14-mixing barrel; 15-rotating shaft; 16-screw hole; 17-connecting rod; 18- Large blade; 19-small blade; 20-connecting bolt; 21-connecting ring; 22-spring; 23-discharge port; 24-stirring motor.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement the invention with reference to the description.

It should be understood that terms such as "having", "comprising" and "including" as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

As shown in Figures 1 and 2, one embodiment of the present invention provides a steel fiber reinforced concrete feeding and stirring device, including: a stirring assembly, a feeding assembly, and a humidifying assembly; the stirring assembly includes a support frame 1, a stirring The barrel 14, the stirring motor 24, the rotating shaft 15, the stirring part, the stirring motor 24 is grounded with the support frame 1, and the stirring barrel 14 is arranged on the support frame 1; the top of the stirring barrel 14 has a first inlet. The material port 11, the bottom of the stirring barrel 14 has a material outlet 23, and one side of the stirring barrel 14 has a second feeding port 10; the rotating shaft 15 is connected to the stirring motor 24, and the rotating shaft 15 protrudes into the mixing barrel 14 through the bottom part of the mixing barrel 14; the stirring part is arranged in the mixing barrel 14, and is arranged on the rotating shaft 15 through the connecting ring 21; the feeding The assembly includes a silo 6, a conveyor belt 3, a conveying motor 4, a bulk material chute 7 and a vibration motor 8. The silo 6 is provided with a discharge port at the bottom, and the discharge port is provided with a silo port cover 5; (the silo port The cover 5 is hinged at the discharge port through a rotation limiting mechanism, and the rotation limiting mechanism uses an existing plug-in mechanism or a gear mechanism). The silo 6 is located above one end of the conveyor belt 3, and the bulk material tank 7 is communicated with the inside of the mixing barrel 14 through the second feed port 10; the vibration motor 8 is arranged in the bulk material tank 7; the humidification assembly includes a humidifier 13 and a conduit 12, one end of the conduit 12 is connected to the humidifier 13, and the other end is inserted into the opening on the cover of the first feed port 11, so that The humidifier 13 communicates with the inside of the mixing tub 14 .

Covers are provided on the first feeding port 11 and the discharging port 23 .

One end of the bulk material chute 7 is supported by an inner support rod 9 provided in the mixing barrel 14, and the other end is hinged with an outer support rod 2 provided on the support frame 1. The bulk material chute 7 is connected to the The inner support rods 9 are connected by four springs 22 .

The stirring part is divided into upper and lower groups. The upper stirring part includes a connecting rod 17 and a large blade 18 arranged on the connecting rod 17; the lower stirring part includes a connecting rod 17 and a large blade 18 arranged on the connecting rod 17. and a small blade 19 , the small blade 19 is provided on the side close to the rotating shaft 15 .

The connecting rod 17 is arranged on the rotating shaft 15 through the connecting ring 21; the rotating shaft 15 is distributed with a number of screw holes 16, the connecting ring 21 has through holes, and the connecting ring 21 is connected by connecting bolts 20 is fixed on the rotating shaft 15 .

The second feeding port 10 is located above the stirring part.

Specific steps:

1. According to the expected amount of material to be added, adjust the position of the upper stirring part to ensure that the added material can be mixed evenly;

2. Close the discharge port 23, add cement, sand and other materials from the first feed port 11 into the mixing barrel 14, and close the first feed port 11;

3. Open the humidifier 13, connect the humidifier 13 and the circular opening of the cover of the feed port 11 with the plastic conduit 12, turn on the stirring motor 24, and stir for 30s;

4. Add steel fibers to the silo 6, turn on the conveying motor 4, turn on the vibration motor 8, and open the silo port cover 5 to a certain size;

5. Add the steel fibers into the mixing barrel 14 and stir for 30s. Turn off the transmission motor 4 and the vibration motor 8, add water from the first feed port 11 according to the pre-calculated ratio, and continue to stir until the required time;

6. Turn off the stirring motor 24, open the discharge port 23, take out the mixture, and clean the stirring barrel 14.

Although the embodiments of the present utility model have been disclosed as above, they are not limited to the applications listed in the description and the embodiments, and can be applied to various fields suitable for the present utility model. For those skilled in the art, Additional modifications may readily be implemented, therefore, the invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (6)

1. a steel fiber concrete charging and stirring device, is characterized in that, comprises: stirring assembly, charging assembly, humidification assembly; The stirring assembly comprises a support frame (1), a stirring barrel (14), a stirring motor (24), a rotating shaft (15), and a stirring part, and the stirring barrel (14) is arranged on the support frame (1); The top of the stirring barrel (14) has a first feeding port (11), the bottom of the stirring barrel (14) has a discharging port (23), and one side of the stirring barrel (14) has a second feeding port (11). The material port (10); the rotating shaft (15) is connected with the stirring motor (24), and the rotating shaft (15) extends into the stirring barrel (14) through the bottom part of the stirring barrel (14). ); the stirring part is arranged in the stirring barrel (14), which is arranged on the rotating shaft (15) through the connecting ring (21); The feeding assembly comprises a silo (6), a conveyor belt (3), a conveying motor (4), a bulk material chute (7) and a vibration motor (8), the silo (6) is located at one end of the conveyor belt (3) Above the head, the bulk material trough (7) communicates with the inside of the mixing barrel (14) through the second feeding port (10); the vibration motor (8) is arranged in the bulk material trough (7) superior; The humidification assembly includes a humidifier (13) and a conduit (12), and the conduit (12) communicates the humidifier (13) with the inside of the mixing barrel (14). 2 . The steel fiber reinforced concrete feeding and stirring device according to claim 1 , wherein a cover is provided on the first feeding port ( 11 ) and the discharging port ( 23 ). 3 . 3. A steel fiber reinforced concrete feeding and stirring device according to claim 1, characterized in that: one end of the bulk material tank (7) is supported by an inner support rod (9) arranged in the mixing bucket (14) , the other end is hinged with the outer support rod (2) arranged on the support frame (1), and the bulk material chute (7) and the inner support rod (9) are connected by a spring (22). 4. A steel fiber reinforced concrete feeding and stirring device according to claim 1, characterized in that: the stirring part is composed of two sets of upper and lower groups, and the upper stirring part comprises a connecting rod (17) and a connecting rod (17) arranged on the connecting rod (17) The upper large blade (18); the lower stirring part includes a connecting rod (17), a large blade (18) and a small blade (19) arranged on the connecting rod (17), and the small blade (19) is arranged on the Close to the side of the rotating shaft (15). 5 . The steel fiber concrete feeding and stirring device according to claim 4 , wherein: the connecting rod ( 17 ) is arranged on the rotating shaft ( 15 ) through a connecting ring ( 21 ); the rotating shaft A plurality of screw holes (16) are distributed on (15), the connecting ring (21) is provided with through holes, and the connecting ring (21) is fixed on the rotating shaft (15) by connecting bolts (20). 6 . The steel fiber reinforced concrete feeding and stirring device according to claim 5 , wherein the second feeding port ( 10 ) is located above the stirring part. 7 .

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